18790931

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 20487168

約数和(自身を除く): 1696237

約数列:

[1, 23, 37, 71, 311, 851, 1633, 2627, 7153, 11507, 22081, 60421, 264661, 507863, 816997, 18790931]

約数ペア:

[(1, 18790931), (23, 816997), (37, 507863), (71, 264661), (311, 60421), (851, 22081), (1633, 11507), (2627, 7153)]